Finding the Fourth Proportional to 436,466,999.13, 603,112,347.41 and 310,801,024.97
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Solution
The fourth proportional to 436,466,999.13, 603,112,347.41 and 310,801,024.97 is: 429,466,457.08
Step by Step Solution
- Step 1: Write the proportion equation
436,466,999.13 : 603,112,347.41 = 310,801,024.97 : x - Step 2: Convert to fraction form
436,466,999.13/603,112,347.41 = 310,801,024.97/x - Step 3: Cross multiply
436,466,999.13x = 603,112,347.41 × 310,801,024.97 - Step 4: Simplify right side
436,466,999.13x = 187,447,935,747,090,720 - Step 5: Solve for x
x = 187,447,935,747,090,720/436,466,999.13 - Step 6: Final answer
x = 429,466,457.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.